rtw89: add 6G support to rate adaptive mechanism

Construct rate mask of 6G band, and rate adaptive mechanism can work well
on this band.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220211075953.40421-5-pkshih@realtek.com

diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c
index c491a11..6966810 100644 (file)
--- a/drivers/net/wireless/realtek/rtw89/phy.c
+++ b/drivers/net/wireless/realtek/rtw89/phy.c
@@ -161,6 +161,11 @@ static u64 rtw89_phy_ra_mask_cfg(struct rtw89_dev *rtwdev, struct rtw89_sta *rtw
                cfg_mask = u64_encode_bits(mask->control[NL80211_BAND_5GHZ].legacy,
                                           RA_MASK_OFDM_RATES);
                break;
+       case RTW89_BAND_6G:
+               band = NL80211_BAND_6GHZ;
+               cfg_mask = u64_encode_bits(mask->control[NL80211_BAND_6GHZ].legacy,
+                                          RA_MASK_OFDM_RATES);
+               break;
        default:
                rtw89_warn(rtwdev, "unhandled band type %d\n", hal->current_band_type);
                return -1;
@@ -254,15 +259,25 @@ static void rtw89_phy_ra_sta_update(struct rtw89_dev *rtwdev,
                        ldpc_en = 1;
        }
 
-       if (rtwdev->hal.current_band_type == RTW89_BAND_2G) {
+       switch (rtwdev->hal.current_band_type) {
+       case RTW89_BAND_2G:
                ra_mask |= sta->supp_rates[NL80211_BAND_2GHZ];
                if (sta->supp_rates[NL80211_BAND_2GHZ] <= 0xf)
                        mode |= RTW89_RA_MODE_CCK;
                else
                        mode |= RTW89_RA_MODE_CCK | RTW89_RA_MODE_OFDM;
-       } else {
+               break;
+       case RTW89_BAND_5G:
                ra_mask |= (u64)sta->supp_rates[NL80211_BAND_5GHZ] << 4;
                mode |= RTW89_RA_MODE_OFDM;
+               break;
+       case RTW89_BAND_6G:
+               ra_mask |= (u64)sta->supp_rates[NL80211_BAND_6GHZ] << 4;
+               mode |= RTW89_RA_MODE_OFDM;
+               break;
+       default:
+               rtw89_err(rtwdev, "Unknown band type\n");
+               break;
        }
 
        ra_mask_bak = ra_mask;